diff --git a/README b/README
index 55251eb..f40ce20 100644
--- a/README
+++ b/README
@@ -66,7 +66,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
 =  sync            non-posix                       none
 =  tail            no                              -c, -f
 =  tar             non-posix                       none
-=  tee             yes                             none
+=* tee             yes                             none
    test            yes                             none
 =  touch           no                              -r
 #* tr              yes                             none